本文第二部份导出了受到各种类型宽带激励的单自由度拟线性二阶系统的简化fpk方程系数的计算公式。
The formulas to evaluate the coefficients of the simplified FPK equation for several types of wide-band excitations are deduced.
本文首先给出了一类具有无穷多个周期解的无阻尼二阶线性偏微分方程所描述的系统。
This paper is devoted to study the existence of an infinitude of periodic solutions for a class of second order linear PDE systems without damping.
研究了耦合白噪声作用下的二阶过阻尼线性系统中的随机共振现象。
The phenomenon of stochastic resonance of an over-damped second-order linear system driven by coupled white noise is investigated.
本文采用二阶相干函数理论研究了级联三能级系统中三阶及五阶极化拍频(TPBCTS及FPBCTS)的非线性效应。
Based on the second-order coherence function theory, authors have studied nonlinear effects of third-and fifth-order on polarization beats in a cascade three-level system (TPBCTS and FPBCTS).
汽车转向系统是一个缓慢变化的非线性系统，在一个较短的时间间隔内，可以用一个参数时变的二阶线性系统对其动力学特性进行描述。
The vehicle steering system is a slowly varying non-linear system, in a short time interval, its dynamic characteristics can be described by a parameter-varying second-order linear system.
从一般的非线性系统的数学模型出发，确定出了一般形式的二阶线性参考模型系统的新的模型参考的变结构控制系统。
We can obtain new model reference variable structure control system of second order linear reference model system with common form according to the math model of usual non-linear system.
对一类二阶非线性系统的有限时间状态反馈镇定问题进行了讨论。
The finite time feedback stabilization problem of a class of second order nonlinear system is discussed.
给出系统存在积分不变量的条件，在此条件下导出系统的线性积分不变量、通用积分不变量和二阶绝对积分不变量。
A linear integral invariant, a universal integral invariant and an absolute integral invariant of second order of the system are obtained under the given condition.
本文考虑到二阶非线性项，建立起更加精密的系统模型，推导出利用状态变分计算终端干扰偏差的公式。
In this paper we consider second order nonlinear terms, set up more precise dynamic system's model and derive the computation formula of terminal perturbation deviation by state variation.
为了研究动力学系统和混沌中产生的跳跃随机性，利用能量平衡原理分析了二阶非线性电路的退化方程。
Chaos related discontinuity jumps in nonlinear dynamic systems were analyzed using a second order nonlinear circuit model and degenerative equations based on the energy balance principle.
这样通过非线性状态变换和非线性状态反馈，将飞行器原来的6阶非线性姿态模型部分精确线性化为二阶线性系统。
Thus by nonlinear state transformation and nonlinear state feedback, the original 6 order nonlinear attitude model of a spacecraft is partially precisely linearized into a 2 order linear system.
本文对带有滞回非线性反馈的不稳定二阶线性系统进行了研究。
This paper does research in the unstable second-order linear continuous system with a hysteresis nonlinear feedback.
利用单调迭代方法对一个非线性二阶边值系统建立了正解的迭代格式和存在性定理。
By making use of monotone iterative technique, the iterative scheme and existence theorem of positive solution are established for a nonlinear second-order boundary value system.
研究了系统固有频率受二值噪声扰动时，调制二值噪声驱动二阶过阻尼线性系统的随机共振现象。
The phenomena of stochastic resonance of an over-damped second-order linear system with modulated dichotomous noise are investigated.
提了基于二阶线性系统等倾线法绘制相平面原理，实现了高阶非线性控制系统相平面相轨迹的作图算法。
In this paper a new concept of phase contrail of phase plane for higher order nonlinear control system based on isoclines method of second-order linear system is proposed.
用变量梯度法构造李雅普·诺夫函数，解决一类二阶非线性系统解的全局渐近稳定性问题。
This article makes use of variable gradient method and structure Lyapunov Function to solve a kind of global asymptotic stability for solutions of non-linear system of the second order.
本文研究了二阶线性随机参激系统和一类二阶非线性随机参激系统的以概率1稳定性。
The stability with probability 1 of second-order linear systems with random parametric excitation and a certain class of second-order nonlinear systems with random parametric excitation is studied.
研究了二阶线性系统在谐和与随机噪声联合作用下的主共振响应和稳定性问题。
The principal resonance of a second-order stochastic oscillator under combined harmonic and random parametric excitations is investigated.
目前，直流电机双闭环调速系统模型主要有理想模型、二阶线性模型以及在不考虑负载扰动或恒负载情况下的非线性模型等。
The DLM model mainly includes the ideal model, the second-order linear model and the non-linear model in constant load or without considering the load disturbance, and so on.
我们改进了MZI系统，并用其获得了各向同性非线性材料的非线性修正项和二阶非线性磁化率。
We propose a new method of finding the nonlinear correction term as well as the second order nonlinear susceptibility of the materials by using a modified MZI system.
在实际情况中电机是一个非线性的系统，但是在某一工作区间内完全可以进行线性化，本文采用一阶和二阶电机模型进行讨论。
Motor system is non linear, however it can be linear approximated in an operating point. First order and second order motor model is used in the discussion.
首先给出二阶线性非完整系统动力学方程的显形式，然后将场方法应用于这类系统方程的积分。
A clear form of the equations of motion of systems with linear non -holonomic constraints of second order is presented here. And the use of the field method is extended to these systems.
首先给出二阶线性非完整系统动力学方程的显形式，然后将场方法应用于这类系统方程的积分。
A clear form of the equations of motion of systems with linear non -holonomic constraints of second order is presented here. And the use of the field method is extended to these systems.
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